Differences What are the advantages of each

Front view of Intel Pro 1500

Reasons to consider the
Intel Pro 1500

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Thinner thickness 7 mm vs 10 mm More than 25% thinner thickness
Front view of Intel 520

Reasons to consider the
Intel 520

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Higher capacity 240 GB vs 120 GB 2x higher capacity
Faster random read 50,000 IOPS vs 41,000 IOPS More than 20% faster random read

Features Key features of the Pro 1500  vs 520 

random read

Pro 1500
41,000 IOPS
Intel 520
50,000 IOPS

random write

Pro 1500
80,000 IOPS
Intel 520
80,000 IOPS

sequential read

Pro 1500
540 MB/s
Intel 520
550 MB/s

sequential write

Pro 1500
490 MB/s
Intel 520
520 MB/s

Specifications Full list of technical specs

storage

Pro 1500  vs
520 
Capacity 120 GB 240 GB
Cache 0 MB 0 MB
Interface SATA III Rev. 3 SATA III
Interface speed 6 Gbit/s 6 Gbit/s
Controller SandForce 2281 SandForce 2281
Memory type MLC SLC
NAND process size 20 nm 25 nm
Maximum shock force 1,500G 1,500G

form factor

Pro 1500  vs
520 
Form factor 2.5" 2.5"
Mfg warranty 5 years 5 years
Thickness 7 mm 10 mm
Weight 78 g 78 g

manufacturer performance

Sequential read 540 MB/s 550 MB/s
Sequential write 490 MB/s 520 MB/s
Random read 41,000 IOPS 50,000 IOPS
Random write 80,000 IOPS 80,000 IOPS
Power consumption (Idle) 0.13 Watts 0.6 Watts
Power consumption (Active) 0.2 Watts 0.85 Watts
MTBF 1,200,000 hours 1,200,000 hours

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